One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,8,13)(3,11,5,9)(4,10,6,15)(7,12,16,14)(17,18,22,20)(19,25,27,23)(21,24,29,28)(26,31,32,30)(34,39)(35,37)(41,44)(43,45)(1,3,8,5)(2,9,13,11)(4,14,6,12)(7,10,16,15)(21,29)(24,28)(26,32)(30,31)(33,34,38,39)(35,40,37,42)(36,44,46,41)(43,48,45,47)(1,4,8,6)(2,10,13,15)(3,14,5,12)(7,9,16,11)(17,19)(18,23)(20,25)(21,26)(22,27)(24,30)(28,31)(29,32)(33,34)(35,40)(36,41)(37,42)(38,39)(43,47)(44,46)(45,48)(1,5,8,3)(2,11,13,9)(4,14,6,12)(7,10,16,15)(17,20,22,18)(19,25,27,23)(21,28,29,24)(26,31,32,30)(33,35,38,37)(34,40,39,42)(36,43,46,45)(41,47,44,48)(1,6,8,4)(2,10,13,15)(3,14,5,12)(7,11,16,9)(17,21,22,29)(18,24,20,28)(19,26,27,32)(23,30,25,31)(33,36)(34,41)(35,43)(37,45)(38,46)(39,44)(40,47)(42,48)(1,7,8,16)(2,12,13,14)(3,15,5,10)(4,9,6,11)(17,19)(18,23)(20,25)(21,26)(22,27)(24,30)(28,31)(29,32)(33,37,38,35)(34,42,39,40)(36,45,46,43)(41,48,44,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.